6465854585646 has 48 divisors (see below), whose sum is σ = 14021021430000. Its totient is φ = 2153489998464.

The previous prime is 6465854585639. The next prime is 6465854585677.

6465854585646 is a `hidden beast` number, since 6 + 4 + 6 + 5 + 8 + 5 + 4 + 58 + 564 + 6 = 666.

6465854585646 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200109340 + ... + 200141648.

It is an arithmetic number, because the mean of its divisors is an integer number (292104613125).

Almost surely, 2^{6465854585646} is an apocalyptic number.

6465854585646 is an abundant number, since it is smaller than the sum of its proper divisors (7555166844354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6465854585646 is a wasteful number, since it uses less digits than its factorization.

6465854585646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41233 (or 41230 counting only the distinct ones).

The product of its digits is 3317760000, while the sum is 72.

The spelling of 6465854585646 in words is "six trillion, four hundred sixty-five billion, eight hundred fifty-four million, five hundred eighty-five thousand, six hundred forty-six".